root / hw / qdev-properties.c @ d8ed79ae
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#include "sysemu.h" |
|---|---|
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#include "net.h" |
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#include "qdev.h" |
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|
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
|
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{
|
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void *ptr = dev;
|
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ptr += prop->offset; |
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return ptr;
|
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} |
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|
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/* --- 8bit integer --- */
|
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|
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static int parse_uint8(DeviceState *dev, Property *prop, const char *str) |
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{
|
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
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|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx8 : "%" PRIu8; |
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if (sscanf(str, fmt, ptr) != 1) |
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return -1; |
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return 0; |
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} |
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|
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static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu8, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint8 = {
|
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.name = "uint8",
|
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.type = PROP_TYPE_UINT8, |
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.size = sizeof(uint8_t),
|
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.parse = parse_uint8, |
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.print = print_uint8, |
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}; |
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|
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/* --- 16bit integer --- */
|
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|
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static int parse_uint16(DeviceState *dev, Property *prop, const char *str) |
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{
|
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
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|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16; |
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if (sscanf(str, fmt, ptr) != 1) |
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return -1; |
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return 0; |
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} |
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|
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static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu16, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint16 = {
|
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.name = "uint16",
|
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.type = PROP_TYPE_UINT16, |
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.size = sizeof(uint16_t),
|
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.parse = parse_uint16, |
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.print = print_uint16, |
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}; |
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|
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/* --- 32bit integer --- */
|
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|
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static int parse_uint32(DeviceState *dev, Property *prop, const char *str) |
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{
|
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
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|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32; |
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if (sscanf(str, fmt, ptr) != 1) |
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return -1; |
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return 0; |
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} |
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|
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static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu32, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint32 = {
|
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.name = "uint32",
|
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.type = PROP_TYPE_UINT32, |
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.size = sizeof(uint32_t),
|
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.parse = parse_uint32, |
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.print = print_uint32, |
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}; |
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|
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static int parse_int32(DeviceState *dev, Property *prop, const char *str) |
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{
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int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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|
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if (sscanf(str, "%" PRId32, ptr) != 1) |
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return -1; |
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return 0; |
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} |
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|
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static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRId32, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_int32 = {
|
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.name = "int32",
|
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.type = PROP_TYPE_INT32, |
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.size = sizeof(int32_t),
|
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.parse = parse_int32, |
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.print = print_int32, |
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}; |
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|
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/* --- 32bit hex value --- */
|
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|
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static int parse_hex32(DeviceState *dev, Property *prop, const char *str) |
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{
|
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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|
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if (sscanf(str, "%" PRIx32, ptr) != 1) |
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return -1; |
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return 0; |
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} |
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|
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static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "0x%" PRIx32, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_hex32 = {
|
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.name = "hex32",
|
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.type = PROP_TYPE_UINT32, |
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.size = sizeof(uint32_t),
|
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.parse = parse_hex32, |
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.print = print_hex32, |
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}; |
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|
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/* --- 64bit integer --- */
|
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|
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static int parse_uint64(DeviceState *dev, Property *prop, const char *str) |
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{
|
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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const char *fmt; |
| 150 |
|
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/* accept both hex and decimal */
|
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx64 : "%" PRIu64; |
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if (sscanf(str, fmt, ptr) != 1) |
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return -1; |
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return 0; |
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} |
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|
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static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%" PRIu64, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_uint64 = {
|
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.name = "uint64",
|
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.type = PROP_TYPE_UINT64, |
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.size = sizeof(uint64_t),
|
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.parse = parse_uint64, |
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.print = print_uint64, |
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}; |
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|
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/* --- 64bit hex value --- */
|
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|
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static int parse_hex64(DeviceState *dev, Property *prop, const char *str) |
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{
|
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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|
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if (sscanf(str, "%" PRIx64, ptr) != 1) |
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return -1; |
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return 0; |
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} |
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|
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static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "0x%" PRIx64, *ptr); |
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} |
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|
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PropertyInfo qdev_prop_hex64 = {
|
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.name = "hex64",
|
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.type = PROP_TYPE_UINT64, |
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.size = sizeof(uint64_t),
|
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.parse = parse_hex64, |
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.print = print_hex64, |
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}; |
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|
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/* --- string --- */
|
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|
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static int parse_string(DeviceState *dev, Property *prop, const char *str) |
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{
|
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char **ptr = qdev_get_prop_ptr(dev, prop);
|
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|
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if (*ptr)
|
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qemu_free(*ptr); |
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*ptr = qemu_strdup(str); |
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return 0; |
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} |
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|
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static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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char **ptr = qdev_get_prop_ptr(dev, prop);
|
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if (!*ptr)
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return snprintf(dest, len, "<null>"); |
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return snprintf(dest, len, "\"%s\"", *ptr); |
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} |
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|
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PropertyInfo qdev_prop_string = {
|
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.name = "string",
|
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.type = PROP_TYPE_STRING, |
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.size = sizeof(char*), |
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.parse = parse_string, |
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.print = print_string, |
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}; |
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|
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/* --- drive --- */
|
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|
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static int parse_drive(DeviceState *dev, Property *prop, const char *str) |
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{
|
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DriveInfo **ptr = qdev_get_prop_ptr(dev, prop); |
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|
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*ptr = drive_get_by_id(str); |
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if (*ptr == NULL) |
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return -1; |
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return 0; |
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} |
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|
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static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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DriveInfo **ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "%s", (*ptr) ? (*ptr)->id : "<null>"); |
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} |
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|
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PropertyInfo qdev_prop_drive = {
|
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.name = "drive",
|
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.type = PROP_TYPE_DRIVE, |
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.size = sizeof(DriveInfo*),
|
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.parse = parse_drive, |
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.print = print_drive, |
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}; |
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|
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/* --- character device --- */
|
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|
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static int parse_chr(DeviceState *dev, Property *prop, const char *str) |
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{
|
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CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
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|
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*ptr = qemu_chr_find(str); |
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if (*ptr == NULL) |
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return -1; |
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return 0; |
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} |
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|
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static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
| 266 |
|
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if (*ptr && (*ptr)->label) {
|
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return snprintf(dest, len, "%s", (*ptr)->label); |
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} else {
|
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return snprintf(dest, len, "<null>"); |
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} |
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} |
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|
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PropertyInfo qdev_prop_chr = {
|
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.name = "chr",
|
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.type = PROP_TYPE_CHR, |
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.size = sizeof(CharDriverState*),
|
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.parse = parse_chr, |
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.print = print_chr, |
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}; |
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|
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/* --- netdev device --- */
|
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|
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static int parse_netdev(DeviceState *dev, Property *prop, const char *str) |
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{
|
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VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
| 287 |
|
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*ptr = qemu_find_netdev(str); |
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if (*ptr == NULL) |
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return -1; |
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return 0; |
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} |
| 293 |
|
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static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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VLANClientState **ptr = qdev_get_prop_ptr(dev, prop); |
| 297 |
|
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if (*ptr && (*ptr)->name) {
|
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return snprintf(dest, len, "%s", (*ptr)->name); |
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} else {
|
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return snprintf(dest, len, "<null>"); |
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} |
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} |
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|
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PropertyInfo qdev_prop_netdev = {
|
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.name = "netdev",
|
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.type = PROP_TYPE_NETDEV, |
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.size = sizeof(VLANClientState*),
|
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.parse = parse_netdev, |
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.print = print_netdev, |
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}; |
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|
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/* --- vlan --- */
|
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|
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static int parse_vlan(DeviceState *dev, Property *prop, const char *str) |
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{
|
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VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
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int id;
|
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|
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if (sscanf(str, "%d", &id) != 1) |
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return -1; |
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*ptr = qemu_find_vlan(id, 1);
|
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if (*ptr == NULL) |
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return -1; |
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return 0; |
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} |
| 327 |
|
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static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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VLANState **ptr = qdev_get_prop_ptr(dev, prop); |
| 331 |
|
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if (*ptr) {
|
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return snprintf(dest, len, "%d", (*ptr)->id); |
| 334 |
} else {
|
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return snprintf(dest, len, "<null>"); |
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} |
| 337 |
} |
| 338 |
|
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PropertyInfo qdev_prop_vlan = {
|
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.name = "vlan",
|
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.type = PROP_TYPE_VLAN, |
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.size = sizeof(VLANClientState*),
|
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.parse = parse_vlan, |
| 344 |
.print = print_vlan, |
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}; |
| 346 |
|
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/* --- pointer --- */
|
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|
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static int print_ptr(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{
|
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void **ptr = qdev_get_prop_ptr(dev, prop);
|
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return snprintf(dest, len, "<%p>", *ptr); |
| 353 |
} |
| 354 |
|
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PropertyInfo qdev_prop_ptr = {
|
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.name = "ptr",
|
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.type = PROP_TYPE_PTR, |
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.size = sizeof(void*), |
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.print = print_ptr, |
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}; |
| 361 |
|
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/* --- mac address --- */
|
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|
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/*
|
| 365 |
* accepted syntax versions:
|
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* 01:02:03:04:05:06
|
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* 01-02-03-04-05-06
|
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*/
|
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static int parse_mac(DeviceState *dev, Property *prop, const char *str) |
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{
|
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MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 372 |
int i, pos;
|
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char *p;
|
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|
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for (i = 0, pos = 0; i < 6; i++, pos += 3) { |
| 376 |
if (!qemu_isxdigit(str[pos]))
|
| 377 |
return -1; |
| 378 |
if (!qemu_isxdigit(str[pos+1])) |
| 379 |
return -1; |
| 380 |
if (i == 5) { |
| 381 |
if (str[pos+2] != '\0') |
| 382 |
return -1; |
| 383 |
} else {
|
| 384 |
if (str[pos+2] != ':' && str[pos+2] != '-') |
| 385 |
return -1; |
| 386 |
} |
| 387 |
mac->a[i] = strtol(str+pos, &p, 16);
|
| 388 |
} |
| 389 |
return 0; |
| 390 |
} |
| 391 |
|
| 392 |
static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 393 |
{
|
| 394 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
| 395 |
|
| 396 |
return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x", |
| 397 |
mac->a[0], mac->a[1], mac->a[2], |
| 398 |
mac->a[3], mac->a[4], mac->a[5]); |
| 399 |
} |
| 400 |
|
| 401 |
PropertyInfo qdev_prop_macaddr = {
|
| 402 |
.name = "macaddr",
|
| 403 |
.type = PROP_TYPE_MACADDR, |
| 404 |
.size = sizeof(MACAddr),
|
| 405 |
.parse = parse_mac, |
| 406 |
.print = print_mac, |
| 407 |
}; |
| 408 |
|
| 409 |
/* --- pci address --- */
|
| 410 |
|
| 411 |
/*
|
| 412 |
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
| 413 |
*/
|
| 414 |
static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str) |
| 415 |
{
|
| 416 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 417 |
unsigned int slot, fn, n; |
| 418 |
|
| 419 |
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { |
| 420 |
fn = 0;
|
| 421 |
if (sscanf(str, "%x%n", &slot, &n) != 1) { |
| 422 |
return -1; |
| 423 |
} |
| 424 |
} |
| 425 |
if (str[n] != '\0') |
| 426 |
return -1; |
| 427 |
if (fn > 7) |
| 428 |
return -1; |
| 429 |
*ptr = slot << 3 | fn;
|
| 430 |
return 0; |
| 431 |
} |
| 432 |
|
| 433 |
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len) |
| 434 |
{
|
| 435 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
| 436 |
|
| 437 |
if (*ptr == -1) { |
| 438 |
return snprintf(dest, len, "<unset>"); |
| 439 |
} else {
|
| 440 |
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7); |
| 441 |
} |
| 442 |
} |
| 443 |
|
| 444 |
PropertyInfo qdev_prop_pci_devfn = {
|
| 445 |
.name = "pci-devfn",
|
| 446 |
.type = PROP_TYPE_UINT32, |
| 447 |
.size = sizeof(uint32_t),
|
| 448 |
.parse = parse_pci_devfn, |
| 449 |
.print = print_pci_devfn, |
| 450 |
}; |
| 451 |
|
| 452 |
/* --- public helpers --- */
|
| 453 |
|
| 454 |
static Property *qdev_prop_walk(Property *props, const char *name) |
| 455 |
{
|
| 456 |
if (!props)
|
| 457 |
return NULL; |
| 458 |
while (props->name) {
|
| 459 |
if (strcmp(props->name, name) == 0) |
| 460 |
return props;
|
| 461 |
props++; |
| 462 |
} |
| 463 |
return NULL; |
| 464 |
} |
| 465 |
|
| 466 |
static Property *qdev_prop_find(DeviceState *dev, const char *name) |
| 467 |
{
|
| 468 |
Property *prop; |
| 469 |
|
| 470 |
/* device properties */
|
| 471 |
prop = qdev_prop_walk(dev->info->props, name); |
| 472 |
if (prop)
|
| 473 |
return prop;
|
| 474 |
|
| 475 |
/* bus properties */
|
| 476 |
prop = qdev_prop_walk(dev->parent_bus->info->props, name); |
| 477 |
if (prop)
|
| 478 |
return prop;
|
| 479 |
|
| 480 |
return NULL; |
| 481 |
} |
| 482 |
|
| 483 |
int qdev_prop_exists(DeviceState *dev, const char *name) |
| 484 |
{
|
| 485 |
return qdev_prop_find(dev, name) ? true : false; |
| 486 |
} |
| 487 |
|
| 488 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) |
| 489 |
{
|
| 490 |
Property *prop; |
| 491 |
|
| 492 |
prop = qdev_prop_find(dev, name); |
| 493 |
if (!prop) {
|
| 494 |
fprintf(stderr, "property \"%s.%s\" not found\n",
|
| 495 |
dev->info->name, name); |
| 496 |
return -1; |
| 497 |
} |
| 498 |
if (!prop->info->parse) {
|
| 499 |
fprintf(stderr, "property \"%s.%s\" has no parser\n",
|
| 500 |
dev->info->name, name); |
| 501 |
return -1; |
| 502 |
} |
| 503 |
return prop->info->parse(dev, prop, value);
|
| 504 |
} |
| 505 |
|
| 506 |
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type) |
| 507 |
{
|
| 508 |
Property *prop; |
| 509 |
void *dst;
|
| 510 |
|
| 511 |
prop = qdev_prop_find(dev, name); |
| 512 |
if (!prop) {
|
| 513 |
fprintf(stderr, "%s: property \"%s.%s\" not found\n",
|
| 514 |
__FUNCTION__, dev->info->name, name); |
| 515 |
abort(); |
| 516 |
} |
| 517 |
if (prop->info->type != type) {
|
| 518 |
fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
|
| 519 |
__FUNCTION__, dev->info->name, name); |
| 520 |
abort(); |
| 521 |
} |
| 522 |
dst = qdev_get_prop_ptr(dev, prop); |
| 523 |
memcpy(dst, src, prop->info->size); |
| 524 |
} |
| 525 |
|
| 526 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) |
| 527 |
{
|
| 528 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8); |
| 529 |
} |
| 530 |
|
| 531 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) |
| 532 |
{
|
| 533 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16); |
| 534 |
} |
| 535 |
|
| 536 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) |
| 537 |
{
|
| 538 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32); |
| 539 |
} |
| 540 |
|
| 541 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) |
| 542 |
{
|
| 543 |
qdev_prop_set(dev, name, &value, PROP_TYPE_INT32); |
| 544 |
} |
| 545 |
|
| 546 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) |
| 547 |
{
|
| 548 |
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64); |
| 549 |
} |
| 550 |
|
| 551 |
void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value) |
| 552 |
{
|
| 553 |
qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE); |
| 554 |
} |
| 555 |
|
| 556 |
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value) |
| 557 |
{
|
| 558 |
qdev_prop_set(dev, name, &value, PROP_TYPE_CHR); |
| 559 |
} |
| 560 |
|
| 561 |
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value) |
| 562 |
{
|
| 563 |
qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV); |
| 564 |
} |
| 565 |
|
| 566 |
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value) |
| 567 |
{
|
| 568 |
qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN); |
| 569 |
} |
| 570 |
|
| 571 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) |
| 572 |
{
|
| 573 |
qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR); |
| 574 |
} |
| 575 |
|
| 576 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) |
| 577 |
{
|
| 578 |
qdev_prop_set(dev, name, &value, PROP_TYPE_PTR); |
| 579 |
} |
| 580 |
|
| 581 |
void qdev_prop_set_defaults(DeviceState *dev, Property *props)
|
| 582 |
{
|
| 583 |
char *dst;
|
| 584 |
|
| 585 |
if (!props)
|
| 586 |
return;
|
| 587 |
while (props->name) {
|
| 588 |
if (props->defval) {
|
| 589 |
dst = qdev_get_prop_ptr(dev, props); |
| 590 |
memcpy(dst, props->defval, props->info->size); |
| 591 |
} |
| 592 |
props++; |
| 593 |
} |
| 594 |
} |
| 595 |
|
| 596 |
static CompatProperty *compat_props;
|
| 597 |
|
| 598 |
void qdev_prop_register_compat(CompatProperty *props)
|
| 599 |
{
|
| 600 |
compat_props = props; |
| 601 |
} |
| 602 |
|
| 603 |
void qdev_prop_set_compat(DeviceState *dev)
|
| 604 |
{
|
| 605 |
CompatProperty *prop; |
| 606 |
|
| 607 |
if (!compat_props) {
|
| 608 |
return;
|
| 609 |
} |
| 610 |
for (prop = compat_props; prop->driver != NULL; prop++) { |
| 611 |
if (strcmp(dev->info->name, prop->driver) != 0) { |
| 612 |
continue;
|
| 613 |
} |
| 614 |
if (qdev_prop_parse(dev, prop->property, prop->value) != 0) { |
| 615 |
abort(); |
| 616 |
} |
| 617 |
} |
| 618 |
} |